E/V Nautilus Mapping Systems · System Capabilities: •Mapping speed: 8-10 knots •Coverage:...
Transcript of E/V Nautilus Mapping Systems · System Capabilities: •Mapping speed: 8-10 knots •Coverage:...
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E/V Nautilus Mapping for Ocean Exploration
Dr. Nicole Raineault
Vice President of Exploration & Science Operations
Ocean Exploration Trust
November 15, 2017
Map the Gaps
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Nautilus Exploration Program
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• Kongsberg EM302 multibeam
echosounder (bathymetry,
backscatter, water column)
• Knudsen 3.5/15 kHz systems
(Chirp sub-bottom, single beam)
• High resolution ROV-based M3
sonar, laser light mapping, and
stereo-pair camera
5 m grid, 2x v.e.
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System Capabilities:• Mapping speed: 8-10 knots
• Coverage: 2.5-5.5x water depth
• Depth: 30-7000 m (60-70°)
• Resolution: ~1% water depth
• Operational modes:
• Bathymetric mapping
• Water column (seep) mapping
Mapping Products Per Survey:
• GSFs, geotiff images & floating
point, SD file, KML, polygon,
survey report, line file report,
processing log
• Outreach products (handled by
production for NL & social media)
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Importance of
Seafloor Mapping
in ocean exploration
www.nautiluslive.org
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10 m grid
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300 m
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35 m
30 m
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3 m
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– High quality mapping data
• Annual MAC inspection
• Clean transducers
• Valid sound velocity information
– UCTD & XBTs
– All possible data types or products with
links to data sources/raw data
– Metadata simplification/tools
– Data submission simplification
– Gap analysis & data quality products
– Forum for community survey plans
Important Factors for Exploratory Seafloor Mapping
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Internships: students join us at seaScientists Ashore: join in the discussion & provide AOIs for mapping
Ship Charters: Use Nautilus for your seafloor mapping projectwww.oceanexplorationtrust.orgWatch at: www.nautiluslive.org
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Expedition Planning & Data Availability• Lead scientist represents wider scientific community interests
• Scientists Ashore
• Sign up online (www.oceanexplorationtrust.org)
• Planning calls
• Receive cruise and dive plans and daily ship updates
• Data, video, and samples available to all after cruise
• Annual reports in a supplement published by the Oceanography Society
http://tos.org/oceanography/issue/volume-30-issue-01-supplement